--- /dev/null
+from typing import Sequence
+
+def copy_file(
+ src: str,
+ dst: str,
+ preserve_mode: bool = ...,
+ preserve_times: bool = ...,
+ update: bool = ...,
+ link: str | None = ...,
+ verbose: bool = ...,
+ dry_run: bool = ...,
+) -> tuple[str, str]: ...
+def move_file(src: str, dst: str, verbose: bool = ..., dry_run: bool = ...) -> str: ...
+def write_file(filename: str, contents: Sequence[str]) -> None: ...